<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        div{
            width:120px;
            height:120px;
            line-height:120px;
            margin: 20px;
            background-color: #5cb85c;
            float: left;
            font-size: 12px;
            text-align: center;
            color:orangered;
            animation: rotate .4s infinite linear;
        }

        @keyframes rotate{
           100%{transform:rotate(360deg);}
        }
        /*效果一：360°旋转 修改rotate(旋转度数)*/
        .img1 {
            transition: All 0.4s ease-in-out;
            -webkit-transition: All 0.4s ease-in-out;
            -moz-transition: All 0.4s ease-in-out;
            -o-transition: All 0.4s ease-in-out;
        }

        .img1:hover {
            transform: rotate(360deg);
            -webkit-transform: rotate(360deg);
            -moz-transform: rotate(360deg);
            -o-transform: rotate(360deg);
            -ms-transform: rotate(360deg);
        }

        /*效果二：放大 修改scale(放大的值)*/
        .img2 {
            transition: All 0.4s ease-in-out;
            -webkit-transition: All 0.4s ease-in-out;
            -moz-transition: All 0.4s ease-in-out;
            -o-transition: All 0.4s ease-in-out;
        }

        .img2:hover {
            transform: scale(1.2);
            -webkit-transform: scale(1.2);
            -moz-transform: scale(1.2);
            -o-transform: scale(1.2);
            -ms-transform: scale(1.2);
        }
       /*效果三：旋转放大 修改rotate(旋转度数) scale(放大值)*/
        .img3 {
            transition: All 0.4s ease-in-out;
            -webkit-transition: All 0.4s ease-in-out;
            -moz-transition: All 0.4s ease-in-out;
            -o-transition: All 0.4s ease-in-out;
        }

        .img3:hover {
            transform: rotate(360deg) scale(1.2);
            -webkit-transform: rotate(360deg) scale(1.2);
            -moz-transform: rotate(360deg) scale(1.2);
            -o-transform: rotate(360deg) scale(1.2);
            -ms-transform: rotate(360deg) scale(1.2);
        }
        /*效果四：上下左右移动 修改translate(x轴,y轴)*/
        .img4 {
            transition: All 0.4s ease-in-out;
            -webkit-transition: All 0.4s ease-in-out;
            -moz-transition: All 0.4s ease-in-out;
            -o-transition: All 0.4s ease-in-out;
        }

        .img4:hover {
            transform: translate(0, -10px);
            -webkit-transform: translate(0, -10px);
            -moz-transform: translate(0, -10px);
            -o-transform: translate(0, -10px);
            -ms-transform: translate(0, -10px);
        }
    </style>
</head>
<body>
<div class="img1">效果一：360°旋转 </div>
<div class="img2">效果二：放大</div>
<div class="img3">效果三：旋转放大</div>
<div class="img4">效果四：上下左右移动 </div>

</body>
</html>